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58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
import ipfsApi
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from eth_account.messages import encode_defunct
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from tubbymemes.models import Meme
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from tubbymemes.factory import w3
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from tubbymemes import config
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def get_eth_contract():
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"""
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Return a web3 contract object with the currently
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deployed tubbymemes smart contract.
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"""
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contract_abi = config.CONTRACT_ABI
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contract_address = w3.toChecksumAddress(config.CONTRACT_ADDRESS)
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return w3.eth.contract(
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address=contract_address,
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abi=contract_abi
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)
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def verify_signature(message, signature, public_address):
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msg = encode_defunct(text=message)
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recovered = w3.eth.account.recover_message(msg, signature=signature)
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if recovered.lower() == public_address.lower():
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return True
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else:
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return False
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def upload_to_ipfs(meme_id: str):
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meme = Meme.query.get(meme_id)
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if not meme:
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return False
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try:
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client = ipfsApi.Client('127.0.0.1', 5001)
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artwork_hashes = client.add(meme.get_fs_path())
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artwork_hash = artwork_hashes[0]['Hash']
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print(f'[+] Uploaded artwork to IPFS: {artwork_hash}')
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meta = {
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'name': meme.title,
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'description': meme.description,
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'image': f'ipfs://{artwork_hash}',
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'create_date': meme.create_date.strftime('%Y-%m-%d %H:%M:%S'),
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'file_name': meme.file_name,
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'ipfs_hash': artwork_hash,
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'properties': {
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'creator_handle': meme.user.handle,
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'creator_address': meme.user.public_address
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}
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}
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meta_hash = client.add_json(meta)
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print(f'[+] Uploaded metadata to IPFS: {meta_hash}')
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return (meta_hash, artwork_hash)
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except Exception as e:
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print(f'[!] Error: {e}')
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return False
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